Eligibility for L-1 if your answer is YES to any of the following questions:
The legal definition of management and executive roles for these purposes is quite strict, and a detailed description of the duties attached to the position will be required. In particular, the executive or manager should have supervisory responsibility for professional staff and/or for a key function, department or subdivision of the employer. Such personnel are issued an L-1A visa, initially for a three year period extendible in two year increments to a maximum of seven years.
L-1B Specialized Knowledge Staff
This category covers those with knowledge of the company's products/services, research, systems, proprietary techniques, management, or procedures. Staff in this category are issued an L-1B visa, initially for three years extendable to a maximum of five years.
On completing the maximum allowable period in L-1 status, the employee must be employed outside the United States for a minimum of one year before a new application is made for L or H status.